An extraordinary opportunity awaits at 520 W College Avenue--an iconic three-story brick landmark in the heart of Jacksonville rich in history, character, and future potential. Originally constructed in 1858, this National and Local Landmark holds deep ties to the early formation of the Republican Party and the Underground Railroad, offering a rare chance to own a true piece of American history. While the property showcases stunning architectural details and solid craftsmanship, it also presents an incredible opportunity for restoration, modernization, or adaptive reuse. The expansive layout and commercial zoning allow for endless possibilities, including a wedding and event venue, traditional place of worship, office suites, community center, catering business, mixed-use redevelopment, or even residential conversion such as lofts or condominiums. Inside, you'll find soaring ceilings, gleaming hardwood floors, a functioning pipe organ, multiple meeting rooms and classrooms, office spaces, a large cafeteria with commercial kitchen, and abundant storage throughout. The building is ADA compliant and equipped with a functional elevator, providing accessibility across all three levels. Situated on a prominent corner lot within walking distance to historic downtown Jacksonville and Illinois College, this highly visible location offers both convenience and prestige. Property to be sold as-is, offering the next owner the opportunity to bring their vision to life while honoring the rich history and architectural significance of this remarkable space.